Trying to loop through HTML tables and create a data frame

I am trying to create a dynamic loop to run through multiple URLs and scrape data from each table, concatenating everything into a single data frame. I tried a few ideas, as illustrated below, but nothing has worked so far. This kind of stuff is not really in my wheelhouse, but I'm trying to learn how this works. If someone can help me get this done I would really appreciate it.

Try this answer! I fixed the creation of the URL and set up a master data frame to store the requested information. The page is dynamically generated so using these the standard tools from rvest is not going to work. All of player (about 16 fields), college and pick information is stored on the page, it is a matter of searching for it and extracting it.

Figuring out the correct regular expression to find and locate the required information was tricky. It looks like the data from 2010 uses a different format use college information thus I left that year out.
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Good luck

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